| article html file updated | 8 February 2020 06:24 CET | Update | https://www.mdpi.com/2077-0383/6/5/55 |
| article html file updated | 24 September 2019 22:44 CEST | Update | - |
| article html file updated | 3 May 2019 21:00 CEST | Update | - |
| article html file updated | 31 May 2017 06:57 CEST | Update | - |
| article html file updated | 22 May 2017 05:12 CEST | Update | - |
| article html file updated | 21 May 2017 07:55 CEST | Original file | - |
| article xml uploaded. | 21 May 2017 07:54 CEST | Original file | https://www.mdpi.com/2077-0383/6/5/55/xml |
| article pdf uploaded. | 21 May 2017 07:54 CEST | Version of Record | https://www.mdpi.com/2077-0383/6/5/55/pdf |
